Medical Quiz

Circulatory & Respiratory System Quiz


Which of the following is NOT a function of the respiratory system?

A. get carbon dioxide out of your blood and body

B. Get oxygen into your body and blood

C. move materials around throughout the body.

Help fight infections from bacteria, viruses and other invading substances. These are bigger and fewer cells, but increase in number when you are sick.

A. plasma

B. red blood cells

C. white blood cells

D. platelets

Tiny blood vessels where exchange of materials take place. Oxygen dropped off to cells and carbon dioxide picked up.

A. arteries

B. capillaries

C. atria

D. veins

Which vessels in the circulatory system are responsible for transporting materials back to the heart?

A. alveoli

B. arteries

C. capillaries

D. veins

Small air-sacs in the lungs that increase surface area for more absorption of oxygen into your blood and look like bunches of grapes surrounded by capillaries.

A. platelets

B. red blood cells

C. alveoli

D. trachea

What components of the circulatory system fight infection in the body?

A. plasma

B. platelets

C. red blood cells

D. white blood cells

A part of the circulatory system allows the exchange of water, oxygen, nutrients, and waste between the blood and surrounding tissues. Which part of the circulatory system is described?

A. artery

B. capillary

C. heart

D. vein

Carry nutrients in the blood and is made mostly of water. It is like the broth of the blood.

A. plasma

B. red blood cells

C. white blood cells

D. platelets

Which of the following in NOT a function of the circulatory system?

A. fight infection

B. carry wastes like carbon dioxide away from all the cells in your body

C. carry nutrients like oxygen to all the parts of your body

D. get nutrients into your body

Help clot the blood to keep you from bleeding to death when you are injured. They are cell fragments.

A. plasma

B. red blood cells

C. white blood cells

D. platelets

Which body systems work together to make sure that oxygen reaches the cells from the outside environment and carbon dioxide is remove from the body?

A. Circulatory and excretory

B. Circulatory and respiratory

C. Respiratory and excretory

D. Respiratory and skeletal

Which body system helps the respiratory system distribute oxygen and return waste carbon dioxide to the lungs to be exhaled?

A. Circulatory system

B. Digestive system

C. Excretory system

D. Muscular system

What is function of the dome-shaped diaphragm?

A. This is where gas exchange happens.

B. Air passes through the diaphragm on the way to the lungs.

C. It attaches to the lungs to help in breathing.

D. It is under the lungs and keeps them from falling down to your stomach.

What is the role of the circulatory system in the generation of energy from food?

A. The circulatory system breaks down food into simpler molecules

B. The circulatory system combines digested food with energy molecules

C. The circulatory system stores food molecules and converts them into energy

D. The circulatory system supplies oxygen from the lungs to cells for combustion of food.

Which of the following carry blood away from the heart?

A. arteries

B. veins

C. lungs

D. ventricles

My lungs are __________________ air.

A. taking in

B. letting out

Carry oxygen in the blood and are small disk-shaped cells that have no nucleus and are made mostly of hemoglobin. 

A. plasma

B. red blood cells

C. white blood cells

D. platelets

Your lungs are ___________ air

A. taking in

B. letting out


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